---------------------------- Original Message ---------------------------- Subject: Re: [music-dsp] pitch shifting in frequency domain Re: FFT for realtime synthesis? From: "gm" <[email protected]> Date: Mon, October 29, 2018 7:57 pm To: [email protected] -------------------------------------------------------------------------- > > About such sophisticated things as intra frame corrections, besides that > it might well be above my head > I first have to get a basic frequency domain shift to work in a decent > quality... > > Meanwhile I found what was broken, the shifted frequencies phases were > wrong, but quality is still > dissapointing compared to the time stretch version. > it just seems to me, mr. g, that implementing this *first* as a time-scaling version (so, being not-real-time you would be processing a sound file into another sound file) would be the simplest thing.� then deal with pitch-shifting by resampling the time-stretched result so that it's back to the original length. don't bother with the intra-frame corrections.� �it's not worth it.� but the phase adjustment on each recognized sinusoid between frames should be done to keep it glitch-free.� but it could still mangle attacks and other transient. � -- r b-j� � � � � � � � � � � � �[email protected] "Imagination is more important than knowledge." � � � �
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